Finding the Fourth Proportional to 149.84, 207.08 and 144.08
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Solution
The fourth proportional to 149.84, 207.08 and 144.08 is: 199.12
Step by Step Solution
- Step 1: Write the proportion equation
149.84 : 207.08 = 144.08 : x - Step 2: Convert to fraction form
149.84/207.08 = 144.08/x - Step 3: Cross multiply
149.84x = 207.08 × 144.08 - Step 4: Simplify right side
149.84x = 29,836.09 - Step 5: Solve for x
x = 29,836.09/149.84 - Step 6: Final answer
x = 199.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.